1 files changed, 11 insertions, 0 deletions
diff --git a/core/block_cache.go b/core/block_cache.go
index 768d3bf19..eeef5c41d 100644
--- a/core/block_cache.go
+++ b/core/block_cache.go
@@ -88,3 +88,14 @@ func (bc *BlockCache) Has(hash common.Hash) bool {
 	_, ok := bc.blocks[hash]
 	return ok
 }
+
+func (bc *BlockCache) Each(cb func(int, *types.Block)) {
+	bc.mu.Lock()
+	defer bc.mu.Unlock()
+
+	i := 0
+	for _, block := range bc.blocks {
+		cb(i, block)
+		i++
+	}
+}